16534603488 has 48 divisors (see below), whose sum is σ = 46742055696. Its totient is φ = 5087569920.

The previous prime is 16534603483. The next prime is 16534603499. The reversal of 16534603488 is 88430643561.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×16534603488² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16534603483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6623193 + ... + 6625688.

It is an arithmetic number, because the mean of its divisors is an integer number (973792827).

Almost surely, 2^16534603488 is an apocalyptic number.

It is an amenable number.

16534603488 is an abundant number, since it is smaller than the sum of its proper divisors (30207452208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16534603488 is a wasteful number, since it uses less digits than its factorization.

16534603488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13248907 (or 13248899 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 16534603488 in words is "sixteen billion, five hundred thirty-four million, six hundred three thousand, four hundred eighty-eight".